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L-Tartaric acid

L-Tartaric acid

CAS Number: 133-37-9

Molecular Formula: C4H6O6

About L-Tartaric acid

L-Tartaric acid (CAS No: 87-69-4) serves as a critical dicarboxylic acid in the global speciality chemical market, valued for its dual chiral centers and versatile acidifying properties across food, beverage, pharmaceutical, and industrial sectors. In food and beverage processing, particularly winemaking and confection...

Synonyms

  • (R*,R*)-(+-)-2,3-dihydroxybutanedioic acid, monoammonium monosodium salt
  • aluminum tartrate
  • ammonium tartrate
  • calcium tartrate
  • calcium tartrate tetrahydrate
View all

L-Tartaric acid Specifications

CAS Number
133-37-9
Molecular Formula
C4H6O6
IUPAC Name
(2R,3R)-2,3-dihydroxybutanedioic acid
Canonical SMILES
C(C(C(=O)O)O)(C(=O)O)O
InChI Key
FEWJPZIEWOKRBE-JCYAYHJZSA-N
InChI
InChI=1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1
HSN No
29181200
melting_point
Between 168 °C and 170 °C
solubility
582 mg/mL at 20 °C
density
Relative density (water = 1): 1.79
logP
-0.76 (calculated)

Food and Beverage Industry

An acidulant, flavor enhancer, and natural preservative used in wines, soft drinks, candies, and baked goods

Pharmaceutical Industry

An excipient used in effervescent tablet formulations, pH buffering, and active pharmaceutical ingredient synthesis

Construction Industry

A set retarder used in gypsum and cement-based materials to delay hardening and improve workability

Chemical Industry

A chiral resolving agent and chelating agent used in organic synthesis, metal cleaning, and electroplating processes

  1. (R*,R*)-(+-)-2,3-dihydroxybutanedioic acid, monoammonium monosodium salt
  2. aluminum tartrate
  3. ammonium tartrate
  4. calcium tartrate
  5. calcium tartrate tetrahydrate

L-Tartaric acid FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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